hi bruce--thanks for your note, to which, i agree--my actual instruction on here / this site is terrible! it was a requirement for overlapping at pier 9. as this small project has become, er..., a bit more of a back burner project, i haven't circled back around to make this a usable instructional post. re: sharing the g-code, i would if i had the original NC files, but those were on a PC at ADSK's P9 (both the shopbot PC & a loaner laptop w/ Inventor HSM Pro). re: cutting foam on a CNC, it's very easy, and you can run slow speeds w/out chipping. in other words, you can get there! i used a 1/4" end mill router bit w/ a roughing pass or two, and then a 1/4 & 1/8" ball end router bit for the finish passes. can also try a 1/16" for finer corner detailing for intensiv...

hi bruce--thanks for your note, to which, i agree--my actual instruction on here / this site is terrible! it was a requirement for overlapping at pier 9. as this small project has become, er..., a bit more of a back burner project, i haven't circled back around to make this a usable instructional post. re: sharing the g-code, i would if i had the original NC files, but those were on a PC at ADSK's P9 (both the shopbot PC & a loaner laptop w/ Inventor HSM Pro). re: cutting foam on a CNC, it's very easy, and you can run slow speeds w/out chipping. in other words, you can get there! i used a 1/4" end mill router bit w/ a roughing pass or two, and then a 1/4 & 1/8" ball end router bit for the finish passes. can also try a 1/16" for finer corner detailing for intensive geometry like on the freeman textile block. best of luck.